meta-quanta: gbs: revert back the pwm/tach for fb_fan1 and fb_fan2

Change to work-round for the kernel dts, so revert back
the following commit:

https://gerrit.openbmc-project.xyz/c/openbmc/meta-quanta/+/38877

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I21af8da577f2554b55886fc0133f94be77bc3520
diff --git a/meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/ahb/apb/pwm-fan-controller@103000.conf b/meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/ahb/apb/pwm-fan-controller@103000.conf
index bcca9a6..34caf4a 100644
--- a/meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/ahb/apb/pwm-fan-controller@103000.conf
+++ b/meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/ahb/apb/pwm-fan-controller@103000.conf
@@ -25,7 +25,7 @@
 MAXVALUE_fan3 = "20775"
 PWM_TARGET_fan3 = 3
 
-LABEL_fan4= "fb_fan2"
+LABEL_fan4= "fb_fan1"
 WARNHI_fan4= "19800"
 WARNLO_fan4= "3330"
 CRITHI_fan4= "19800"
@@ -34,7 +34,7 @@
 MAXVALUE_fan4 = "20775"
 PWM_TARGET_fan4 = 4
 
-LABEL_fan5= "fb_fan1"
+LABEL_fan5= "fb_fan2"
 WARNHI_fan5= "19800"
 WARNLO_fan5= "3330"
 CRITHI_fan5= "19800"